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2024-01-05bcachefs: unify stripe triggerKent Overstreet2-97/+76
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: move stripe triggers to ec.cKent Overstreet4-340/+352
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: unify alloc triggerKent Overstreet2-165/+137
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: move bch2_mark_alloc() to alloc_background.cKent Overstreet4-128/+132
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: unify reservation triggerKent Overstreet3-63/+40
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: unify reflink_p triggerKent Overstreet2-82/+58
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: unify inode triggerKent Overstreet2-50/+33
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: kill mem_trigger_run_overwrite_then_insert()Kent Overstreet3-7/+4
now that type signatures are unified, redundant Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: BTREE_TRIGGER_TRANSACTIONALKent Overstreet1-4/+22
New flag so that triggers can distinguish whether we're running transactional or atomic triggers (or gc) - unifying the callbacks. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: Kill BTREE_TRIGGER_NOATOMICKent Overstreet2-6/+1
dead code Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: mark now takes bkey_sKent Overstreet11-29/+43
Prep work for disk space accounting rewrite: we're going to want to use a single callback for both of our current triggers, so we need to change them to have the same type signature first. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: trans_mark now takes bkey_sKent Overstreet12-62/+62
Prep work for disk space accounting rewrite: we're going to want to use a single callback for both of our current triggers, so we need to change them to have the same type signature first. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: Upgrading uses bch_sb.recovery_passes_requiredKent Overstreet1-8/+6
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: factor out thread_with_file, thread_with_stdioKent Overstreet9-245/+459
thread_with_stdio now knows how to handle input - fsck can now prompt to fix errors. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: Fix printing of device durabilityKent Overstreet1-1/+1
BCH_MEMBER_DURABILITY() was not present initially; a value of 0 means use the default, nonzero means use v - 1. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: __bch2_journal_key_to_wb -> bch2_journal_key_to_wb_slowpathKent Overstreet2-3/+3
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: __journal_keys_sort() refactoringKent Overstreet1-3/+1
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: wb_key_cmp -> wb_key_ref_cmpKent Overstreet1-6/+6
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: track transaction durationsKent Overstreet3-12/+27
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: btree_trans always has statsKent Overstreet3-19/+8
reserve slot 0 for unknown (when we overflow), to avoid some branches Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: Split brain detectionKent Overstreet2-11/+65
Use the new bch_member->seq, sb->write_time fields to detect split brain and kick out devices when necessary. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: bch_member->seqKent Overstreet3-2/+22
Add new fields for split brain detection: - bch_member->seq, which tracks the sequence number of the last superblock write that happened to each member device - bch_sb->write_time, which tracks the time of the last superblock write, to allow detection of when two members have diverged but had the same number of superblock writes. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: Fix nochanges/read_only interactionKent Overstreet4-15/+18
nochanges means "we cannot issue writes at all"; it's possible to go into a pseudo read-write mode where we pin dirty metadata in memory, which is used for fsck in dry run mode and doing journal replay on a read only mount, but we do not want to allow an actual read-write mount in nochanges mode. But we do always want to allow early read-write, during recovery - this patch clarifies that. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-05bcachefs: Check journal entries for invalid keys in trans commit pathKent Overstreet2-0/+52
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: check_directory_structure() can now be run onlineKent Overstreet2-67/+41
Now that we have dynamically resizable btree paths, check_directory_structure() can check one path - inode up to the root - in a single transaction. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: Fix reattach_inode() for snapshotsKent Overstreet3-46/+92
reattach_inode() was broken w.r.t. snapshots - we'd lookup the subvolume to look up lost+found, but if we're in an interior node snapshot that didn't make any sense. Instead, this adds a dirent path for creating in a specific snapshot, skipping the subvolume; and we also make sure to create lost+found in the root snapshot, to avoid conflicts with lost+found being created in overlapping snapshots. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: bch2_btree_trans_peek_slot_updatesKent Overstreet1-31/+15
refactoring the BTREE_ITER_WITH_UPDATES code, prep for removing the flag and making it always-on Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: bch2_btree_trans_peek_prev_updatesKent Overstreet1-1/+20
bch2_btree_iter_peek_prev() now supports BTREE_ITER_WITH_UPDATES Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: bch2_btree_trans_peek_updatesKent Overstreet1-9/+20
refactoring the BTREE_ITER_WITH_UPDATES code, prep for removing the flag and making it always-on Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: growable btree_pathsKent Overstreet4-22/+72
XXX: we're allocating memory with btree locks held - bad We need to plumb through an error path so we can do allocate_dropping_locks() - but we're merging this now because it fixes a transaction path overflow caused by indirect extent fragmentation, and the resize path is rare. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: Fix interior update path btree_path usesKent Overstreet3-43/+51
Since the btree_paths array is now about to become growable, we have to be careful not to refer to paths by pointer across contexts where they may be reallocated. This fixes the remaining btree_interior_update() paths - split and merge. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: trans->nr_pathsKent Overstreet4-8/+26
Start to plumb through dynamically growable btree_paths; this patch replaces most BTREE_ITER_MAX references with trans->nr_paths. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: trans->updates will also be resizableKent Overstreet3-4/+5
the reflink triggers are also bumping up against the maximum number of paths in a transaction - and generating proportional numbers of updates. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: optimize __bch2_trans_get(), kill DEBUG_TRANSACTIONSKent Overstreet5-106/+100
- Some tweaks to greatly reduce locking overhead for the list of btree transactions, so that it can always be enabled: leave btree_trans objects on the list when they're on the percpu single item freelist, and only check for duplicates in the same process when CONFIG_BCACHEFS_DEBUG is enabled - don't zero out the full btree_trans() unless we allocated it from the mempool Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: rcu protect trans->pathsKent Overstreet4-11/+68
Upcoming patches are going to be changing trans->paths to a reallocatable buffer. We need to guard against use after free when it's used by other threads; this introduces RCU protection to those paths and changes them to check for trans->paths == NULL Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: Clean up btree_transKent Overstreet6-39/+40
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: kill btree_path.idxKent Overstreet5-31/+8
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: get_unlocked_mut_path() -> btree_path_idx_tKent Overstreet1-43/+42
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: bch2_btree_iter_peek_prev() no longer uses path->idxKent Overstreet1-6/+6
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: bch2_path_get() no longer uses path->idxKent Overstreet1-5/+6
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: trans_for_each_path_with_node() no longer uses path->idxKent Overstreet4-14/+18
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: trans_for_each_path() no longer uses path->idxKent Overstreet6-49/+64
path->idx is now a code smell: we should be using path_idx_t, since it's stable across btree path reallocation. This is also a bit faster, using the same loop counter vs. fetching path->idx from each path we iterate over. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: kill trans_for_each_path_from()Kent Overstreet1-5/+2
dead code Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: bch2_btree_path_to_text() -> btree_path_idx_tKent Overstreet2-7/+12
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: struct trans_for_each_path_inorder_iterKent Overstreet2-15/+23
reducing our usage of path->idx Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: btree_insert_entry -> btree_path_idx_tKent Overstreet6-48/+56
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: btree_iter -> btree_path_idx_tKent Overstreet11-155/+195
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: btree_path_alloc() -> btree_path_idx_tKent Overstreet1-25/+24
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: bch2_btree_path_traverse() -> btree_path_idx_tKent Overstreet4-27/+31
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-01-01bcachefs: bch2_btree_path_make_mut() -> btree_path_idx_tKent Overstreet4-19/+19
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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